Anatomy - Back Muscles

0.0(0)
Studied by 0 people
call kaiCall Kai
Locked
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/55

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 4:05 PM on 9/26/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

56 Terms

1
New cards

Trapezius - Origin

external occipital protuberance,

C1-C6 Spinous Process via Ligamentum Nuchae,

Spinous Process of C7-T12

<p>external occipital protuberance, </p><p>C1-C6 Spinous Process via Ligamentum Nuchae, </p><p>Spinous Process of C7-T12</p>
2
New cards

Trapezius - Insertion

Lateral 1/3 clavicle

spine and acromion of scapula

<p>Lateral 1/3 clavicle</p><p>spine and acromion of scapula</p>
3
New cards

Trapezius - Action

Upper: scapular elevation, upward rotation

Middle: scapular retraction

Lower: scapular depression, upward rotation

<p>Upper: scapular elevation, upward rotation</p><p>Middle: scapular retraction</p><p>Lower: scapular depression, upward rotation</p>
4
New cards

Trapezius - Innervation

Spinal accessory Nerve (CN XI)

<p>Spinal accessory Nerve (CN XI)</p>
5
New cards

Trapezius - Blood Supply

Transverse cervical artery

<p>Transverse cervical artery</p>
6
New cards

Latissimus Dorsi - Origin

spinous process of T7-L5

posterior iliac crest

sacrum

<p>spinous process of T7-L5</p><p>posterior iliac crest</p><p>sacrum</p>
7
New cards

Latissimus Dorsi - Insertion

floor of intertubercular groove of humerus

crest of lesser tubercle

<p>floor of intertubercular groove of humerus</p><p>crest of lesser tubercle</p>
8
New cards

Latissimus Dorsi - Action

adduction, medial rotation, extension of humerus at shoulder joint

<p>adduction, medial rotation, extension of humerus at shoulder joint</p>
9
New cards

Latissimus Dorsi - Innervation

Thoracodorsal nerve

<p>Thoracodorsal nerve</p>
10
New cards

Latissimus Dorsi - Blood supply

thoracodorsal artery

<p>thoracodorsal artery</p>
11
New cards

Levator Scapulae - Origin

transverse processes of C1-C4

<p>transverse processes of C1-C4</p>
12
New cards

Levator Scapulae - Insertion

superior angle of scapula

<p>superior angle of scapula</p>
13
New cards

Levator Scapulae - Action

scapular elevation, downward rotation

<p>scapular elevation, downward rotation</p>
14
New cards

Levator Scapulae - Innervation

dorsal scapular nerve

<p>dorsal scapular nerve</p>
15
New cards

Levator Scapulae - Blood supply

dorsal scapular artery

<p>dorsal scapular artery</p>
16
New cards

Rhomboid Minor - Origin

spinous process of C7-T1

lower ligamentum nuchae

<p>spinous process of C7-T1</p><p>lower ligamentum nuchae</p>
17
New cards

Rhomboid Minor - Insertion

medial border of scapula at base of spine

<p>medial border of scapula at base of spine</p>
18
New cards

Rhomboid Minor - Action

scapular retraction, downward rotation, elevation

<p>scapular retraction, downward rotation, elevation</p>
19
New cards

Rhomboid Minor - Innervation

dorsal scapular nerve

<p>dorsal scapular nerve</p>
20
New cards

Rhomboid Minor - Blood Supply

dorsal scapular artery

<p>dorsal scapular artery</p>
21
New cards

Rhomboid Major - Origin

spinous processes of T2-T5

<p>spinous processes of T2-T5</p>
22
New cards

Rhomboid Major - Insertion

medial border of scapula inferior to spine

<p>medial border of scapula inferior to spine</p>
23
New cards

Rhomboid Major - Action

scapular retraction, downward rotation, elevation

<p>scapular retraction, downward rotation, elevation</p>
24
New cards

Rhomboid Major - Innervation

dorsal scapular nerve

<p>dorsal scapular nerve</p>
25
New cards

Rhomboid major - blood supply

dorsal scapular artery

<p>dorsal scapular artery</p>
26
New cards

Splenius Capitis - Origin

lower half of ligamentum nuchae

spinous process of C7-T4

<p>lower half of ligamentum nuchae</p><p>spinous process of C7-T4</p>
27
New cards

Splenius Capitis - Insertion

mastoid process of temporal bone, occipital bone and lateral superior nuchal line

<p>mastoid process of temporal bone, occipital bone and lateral superior nuchal line</p>
28
New cards

Splenius Capitis - Action

extend head and neck, laterally flex neck to same side

<p>extend head and neck, laterally flex neck to same side</p>
29
New cards

Splenius Capitis - Innervation

dorsal rami of middle cervical spinal nerves (C2-C6)

<p>dorsal rami of middle cervical spinal nerves (C2-C6)</p>
30
New cards

Splenius Capitis - Blood Supply

occipital artery

<p>occipital artery</p>
31
New cards

Splenius Cervicis - Origin

spinous process of T3-T6

<p>spinous process of T3-T6</p>
32
New cards

Splenius Cervicis - Insertion

transverse process of C1-C3 (anterior to levator scapulae)

<p>transverse process of C1-C3 (anterior to levator scapulae)</p>
33
New cards

Splenius Cervicis - Action

extend head and neck, leterally flex head to same side

<p>extend head and neck, leterally flex head to same side</p>
34
New cards

Splenius Cervicis - Innervation

dorsal rami of middle cervical spinal nerves (C2-C6)

<p>dorsal rami of middle cervical spinal nerves (C2-C6)</p>
35
New cards

Splenius Cervicis - Blood Supply

occipital artery

<p>occipital artery</p>
36
New cards

Serratus Posterior Superior - Origin

spinous process of C7-T3,

ligamentum nuchae

<p>spinous process of C7-T3, </p><p>ligamentum nuchae</p>
37
New cards

Serratus Posterior Superior - Insertion

ribs 1-4

<p>ribs 1-4</p>
38
New cards

Serratus Posterior Superior - Action

draws upper ribs up and back

<p>draws upper ribs up and back</p>
39
New cards

Serratus Posterior Superior - Innervation

ventral rami T1-T4

<p>ventral rami T1-T4</p>
40
New cards

Serratus Posterior Superior - Blood Supply

posterior intercostal arteries 1-4

<p>posterior intercostal arteries 1-4</p>
41
New cards

Serratus Posterior Inferior - Origin

spinous process T11-L2 (via thoracolumbar fascia)

<p>spinous process T11-L2 (via thoracolumbar fascia)</p>
42
New cards

Serratus Posterior Inferior - Insertion

inferior border of lower 4 ribs (9-12)

<p>inferior border of lower 4 ribs (9-12)</p>
43
New cards

Serratus Posterior Inferior - Action

draws lower ribs down and back

<p>draws lower ribs down and back</p>
44
New cards

Serratus Posterior Inferior - Innervation

ventral rami T9-T12

<p>ventral rami T9-T12</p>
45
New cards

Serratus Posterior Inferior - Blood Supply

lowest posterior intercostal artery

subcostal artery

first two lumbar arteries

<p>lowest posterior intercostal artery</p><p>subcostal artery</p><p>first two lumbar arteries</p>
46
New cards

Erector Spinae Group - Origin

transverse and spinous process of T10-L5

sacrum

iliac crest

<p>transverse and spinous process of T10-L5</p><p>sacrum</p><p>iliac crest</p>
47
New cards

Erector Spinae Group - Insertion

spinous process of thoracic vertebrae

transverse process of cervical and thoracic vertebrae

ribs

occipital bone

sometimes temporal bone

<p>spinous process of thoracic vertebrae</p><p>transverse process of cervical and thoracic vertebrae</p><p>ribs</p><p>occipital bone</p><p>sometimes temporal bone</p>
48
New cards

Erector Spinae Group - Action

extend vertebral column and laterally flex vertebral column, head and neck

<p>extend vertebral column and laterally flex vertebral column, head and neck</p>
49
New cards

Erector Spinae Group - Innervation

dorsal rami of spinal nerves C1-S5

<p>dorsal rami of spinal nerves C1-S5</p>
50
New cards

Erector Spinae Group - Blood Supply

deep cervical artery

posterior intercostal arteries

subcostal arteries

lumbar artery

<p>deep cervical artery</p><p>posterior intercostal arteries</p><p>subcostal arteries</p><p>lumbar artery</p>
51
New cards

What are the three portions of the Erector Spinae Group from outside in?

Iliocostalis, Longissimus, spinalis

52
New cards

Semispinalis Group - Origin

transverse process of C7-T10

53
New cards

Semispinalis Group - Insertion

capitis: between superior and inferior nuchal lines of occipital bone

cervicis and thoracis: vertebral spines 4-6 vertebrae above their origin

54
New cards

Semispinalis Group - Action

extend head and neck

rotate head and vertebral column contralaterally

55
New cards

Semispinalis Group - Innervation

dorsal rami of spinal nerves (C1-T12)

56
New cards

Semispinalis Group - Blood supply

occipital artery